National Item Identification Number
00-470-6640
004706640
4730-00-470-6640
4730004706640
National Stock Number
Item Name
REDUCER,BOSS
Federal Supply Class
4730
Description
A straight fitting having a boss connection of a different size at each end. Both connections have external or internal machine threads (straight threads other than pipe or hose series) and are designed to facilitate a gasket, preformed packing, washer, or the like to form a seal at the boss. Excludes BUSHING (as modified).
Commercial and Government Entity Code (Supplier Data)
81343
81343
81343
96214
Reference Numbers (Part Numbers)
AS18280
AS21915
MS21915-1
MS21915D3-2
MS21915D3-2
418684-1
Required Categories
MATERIAL
SURFACE TREATMENT
CONNECTION TYPE
CONNECTION STYLE
THREAD SERIES DE
Required Description
ALUMINUM ALLOY 7075 OVERALL
ANODIZE OVERALL
THREADED INTERNAL BOSS 1ST END
TH